CN1126590C - Foaming agent and its preparation - Google Patents
Foaming agent and its preparation Download PDFInfo
- Publication number
- CN1126590C CN1126590C CN00114401A CN00114401A CN1126590C CN 1126590 C CN1126590 C CN 1126590C CN 00114401 A CN00114401 A CN 00114401A CN 00114401 A CN00114401 A CN 00114401A CN 1126590 C CN1126590 C CN 1126590C
- Authority
- CN
- China
- Prior art keywords
- foaming agent
- preparation
- add
- water
- gelatine
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/42—Pore formers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Cosmetics (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Abstract
The present invention discloses a foaming agent and a preparation method thereof. The foaming agent comprises main components of the following percentage by weight: 1.55 to 1.65% of bone glue, 3.6 to 3.8% of rosin, 0.5 to 0.65% of sodium hydroxide, 0.2 to 0.22% of triethanolamine, water, etc. The foaming agent of the present invention has the advantages of stable quality, high compressive strength of walls (more than 5.0MPa) after being molded, convenient preparation and simple preparation technology.
Description
The invention belongs to chemical field, be specifically related to a kind of foaming agent that is used for the light concrete partition moulding and preparation method thereof.
Existing foaming agent is in preparation and use, and have following problems: (1) dissolving rosin time is long, needs 30 minutes approximately; In case and the solvent temperature grasp is bad, and grumeleuse or emulsification then easily take place; (2) unstable product quality easily produces precipitation; (3) moulding back wall ultimate compression strength low (＜3.5MPa); (4) technology very complicated.
Purpose of the present invention just provides a kind of constant product quality, higher (＞5.0MPa) the foaming agent of moulding back wall ultimate compression strength.
Another object of the present invention just provides the preparation method that a kind of easy to make, simple, once shaped, preparation process are easy to control.
Composition of this foaming agent and content are (weight percent %):
Gelatine 1.55-1.65% rosin 3.6-3.8% caustic soda 0.5-0.65%
Trolamine 0.2-0.22% whipping agent 0.028-0.031%
Polyvinyl alcohol 1.0-1.2% water surplus
Can use industrial gelatine, rosin in the above-mentioned prescription, it is more than 95% that caustic soda requires content, and water can be used tap water, and whipping agent selected fatty acid alkylolamide (claim 6501 again, the popular name Ninol, molecular formula is Rc-N (CH
2CH
2OH)
2R=C
12～C
14Alkyl), trolamine, polyvinyl alcohol, all use technical pure.
The preparation method who said components is prepared into foaming agent is as follows: (1) gets the water of formula ratio gelatine, Total Water 5%, mixes, and soaks 18-26 hour; Heated and stirred, after treating all to dissolve, naturally cooling; (2) rosin is pulverized, crossed 15 mesh sieves, particle diameter 1mm gets the caustic soda of formula ratio 1/2nd, and the water of Total Water 10% is heated to 80-90 ℃, adds above-mentioned colophonium powder while stirring, and rosin all dissolves after about 10-15 minute.Add formula ratio trolamine and whipping agent, stirred 5-10 minute, naturally cool to below 50 ℃, the more prepared gelatine solution of step (1) (＜50 ℃) is added while stirring, standby after stirring evenly.(3) water of getting prescription water consumption 40% is heated to 65-70 ℃, adds second half caustic soda while stirring, when temperature rises to 90-95 ℃, adds the prepared mixed solution of step (2); Stir evenly, standby; (4) get the water of the prescription water yield 45%, be heated to 90 ℃, stir the polyvinyl alcohol that adds formula ratio down, treat its complete molten after, add step (3) prepared solution, recording pH value is 8.0-9.0, naturally cool to about 70 ℃, discharging, promptly.
This product is the light coffee color foaming agent, and according to the JGJ70-90 standard test, body of wall ultimate compression strength is 8.2MPa through testing laboratory of Huangshi construction engineering group, meets standard (the design strength grade is 4.0-6.0), and steady quality, no deposited phenomenon.
Above-mentioned processing method is compared with the traditional preparation process method, has simplified schedule of operation, and preparation process is easy to control, thereby product cost is reduced greatly, has strengthened the market competitiveness.
Embodiments of the invention are described in detail in detail below.
Embodiment 1:(1) get gelatine 155g, water 500g mixes, and soaks 8 hours.The interlayer heated and stirred is treated it all after the dissolving, naturally cooling; Standby.(2) get rosin 360g, pulverize, cross 15 mesh sieves, get caustic soda 25g, water 9300g mixes, heat to 80 ℃, add above-mentioned colophonium powder while stirring, rosin dissolving after about 10-15 minute, add trolamine 20g, Ninol 2.8g stirred 5-10 minute, naturally cool to below 50 ℃, add the prepared gelatine solution of step (1), stir evenly, standby.(3) water intaking 3700ml is heated to 65 ℃, adds the 25g caustic soda, when temperature rises to 90 ℃ of left and right sides, adds the prepared mixed solution of step (2); Stir evenly, standby; (4) get 4000ml water, be heated to 90 ℃, add the 100g polyvinyl alcohol, treat its complete molten after, add step (3) prepared solution, recording pH value is 8.1, naturally cools to about 70 ℃, makes light coffee color foaming agent 18kg.
Embodiment 2:(1) get gelatine 165g, water 450g mixes, and soaks 25 hours.The interlayer heated and stirred is treated it all after the dissolving, naturally cooling; Standby.(2) get rosin 380g, pulverize, cross 15 mesh sieves, get caustic soda 35g, water 9000g mixes, heat to 90 ℃, add above-mentioned colophonium powder while stirring, rosin dissolving after about 10-15 minute, add trolamine 22g, Ninol 3.1g stirred 5-10 minute, naturally cool to below 50 ℃, add the prepared gelatine solution of step (1), stir evenly, standby.(3) water intaking 3500ml is heated to 70 ℃, adds the 35g caustic soda, when temperature rises to 90 ℃ of left and right sides, adds the prepared mixed solution of step (2); Stir evenly, standby; (4) get 3800ml water, be heated to 90 ℃, add the 120g polyvinyl alcohol, treat its complete molten after, add step (3) prepared solution, recording pH value is 9.0, naturally cools to about 70 ℃, makes light coffee color foaming agent 17kg.
Embodiment 3:(1) get gelatine 160g, water 500g mixes, and soaks 8 hours.The interlayer heated and stirred is treated it all after the dissolving, naturally cooling; Standby.(2) get rosin 370g, pulverize, cross 15 mesh sieves, get caustic soda 28g, water 9300g mixes, heat to 80 ℃, add above-mentioned colophonium powder while stirring, rosin dissolving after about 10-15 minute, add trolamine 21g, Ninol 2.9g stirred 5-10 minute, naturally cool to below 50 ℃, add the prepared gelatine solution of step (1), stir evenly, standby.(3) water intaking 3800ml is heated to 65 ℃, adds the 28g caustic soda, when temperature rises to 90 ℃ of left and right sides, adds the prepared mixed solution of step (2); Stir evenly, standby; (4) get 4200ml water, be heated to 90 ℃, add the 110g polyvinyl alcohol, treat its complete molten after, add step (3) prepared solution, recording pH value is 8.1, naturally cools to about 70 ℃, makes light coffee color foaming agent 18.5kg.
Claims (4)
1. foaming agent, its composition and content are (weight percent %):
Gelatine 1.55-1.65% rosin 3.6-3.8% caustic soda 0.5-0.65%
Trolamine 0.2-0.22% whipping agent 0.028-0.031%
Polyvinyl alcohol 1.0-1.2% water surplus
2. the preparation method of a foaming agent as claimed in claim 1, it is characterized in that being made up of following step: (1) adds to gelatine in the water and dissolves; (2) rosin is added in the caustic-soda aqueous solution dissolves; Progressively add trolamine and whipping agent again, stir evenly, cooling; Add the prepared gelatine solution of step (1), stir evenly; (3) get caustic-soda aqueous solution, heat, add the prepared mixed solution of step (2) to 90-95 ℃; Stir evenly; (4) polyvinyl alcohol is added in about 90 ℃ the water, treat its complete molten after, add step (3) prepared solution, naturally cool to about 70 ℃, discharging, promptly.
3. the preparation method of foaming agent according to claim 2 is characterized in that: in described step (2) and the step (3) consumption of caustic soda be controlled to be respectively the described foaming agent of claim 1 component concentration 1/2nd.
4. according to the preparation method of claim 2 or 3 described foaming agents, it is characterized in that: adopt the interlayer type of heating in the described preparation process without exception.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00114401A CN1126590C (en) | 2000-03-07 | 2000-03-07 | Foaming agent and its preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00114401A CN1126590C (en) | 2000-03-07 | 2000-03-07 | Foaming agent and its preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1312127A CN1312127A (en) | 2001-09-12 |
| CN1126590C true CN1126590C (en) | 2003-11-05 |
Family
ID=4584086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00114401A Expired - Fee Related CN1126590C (en) | 2000-03-07 | 2000-03-07 | Foaming agent and its preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1126590C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104211319A (en) * | 2014-09-10 | 2014-12-17 | 江苏名和集团有限公司 | Foaming agent for foam concrete and preparation method of foaming agent |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU366722A1 (en) * | 1970-08-20 | 1984-12-15 | Bersenev V N | Method of obtaining divinylnitrile rubbers |
| SU1244124A1 (en) * | 1983-04-25 | 1986-07-15 | Научно-Исследовательский Институт Бетона И Железобетона Госстроя Ссср | Raw mixture for manufacturing cellular concrete |
| SU1680676A1 (en) * | 1989-02-21 | 1991-09-30 | Научно-Исследовательский Институт Бетона И Железобетона Госстроя Ссср | Foaming agent for porizating concrete mix |
| CN1173475A (en) * | 1996-11-28 | 1998-02-18 | 宁波市北仑北南新型建筑材料制造有限公司 | Method for prepn. of light partition wall slab |
| CN1185470A (en) * | 1996-12-17 | 1998-06-24 | 江门市林业科学研究所 | Water cardboard-case coating |
| CN1217304A (en) * | 1997-11-11 | 1999-05-26 | 哈尔滨瑞威新型节能建材有限责任公司 | Magnesium chloride cement water-proof foaming agent and producing method therefor |
-
2000
- 2000-03-07 CN CN00114401A patent/CN1126590C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU366722A1 (en) * | 1970-08-20 | 1984-12-15 | Bersenev V N | Method of obtaining divinylnitrile rubbers |
| SU1244124A1 (en) * | 1983-04-25 | 1986-07-15 | Научно-Исследовательский Институт Бетона И Железобетона Госстроя Ссср | Raw mixture for manufacturing cellular concrete |
| SU1680676A1 (en) * | 1989-02-21 | 1991-09-30 | Научно-Исследовательский Институт Бетона И Железобетона Госстроя Ссср | Foaming agent for porizating concrete mix |
| CN1173475A (en) * | 1996-11-28 | 1998-02-18 | 宁波市北仑北南新型建筑材料制造有限公司 | Method for prepn. of light partition wall slab |
| CN1185470A (en) * | 1996-12-17 | 1998-06-24 | 江门市林业科学研究所 | Water cardboard-case coating |
| CN1217304A (en) * | 1997-11-11 | 1999-05-26 | 哈尔滨瑞威新型节能建材有限责任公司 | Magnesium chloride cement water-proof foaming agent and producing method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1312127A (en) | 2001-09-12 |
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